myQ liftmaster garage door opener how to connect to Surety

Hello guys I have a garage door opener I think its a “Chamberlain 1.25-HP myQ Smart Belt Drive Garage Door Opener” and I saw that I am able to connect it to my app, so I can open my garage door through I couldn’t find any videos online from surety to help me understand how to connect it, so could you explain how I can connect my garage door to surety app.
Thank you

Sounds like you are probably referencing a unit with wifi built in.

If you have a MyQ overhead controller with built in wifi, this page goes over the steps to get started.